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<div id="overview"><a href="../../../../../../../api/org/jboss/netty/handler/codec/http/HttpMessageEncoder.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.codec.http;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpHeaders.Names;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpHeaders.Values;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.oneone.OneToOneEncoder;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.CharsetUtil;
<a class="jxr_linenumber" name="25" href="#25">25</a>  
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.io.UnsupportedEncodingException;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="28" href="#28">28</a>  
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.buffer.ChannelBuffers.*;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.jboss.netty.handler.codec.http.HttpConstants.*;
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * Encodes an {@link HttpMessage} or an {@link HttpChunk} into</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * a {@link ChannelBuffer}.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Extensibility&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * Please note that this encoder is designed to be extended to implement</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * a protocol derived from HTTP, such as</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol" target="alexandria_uri">http://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol</a>"&gt;RTSP&lt;/a&gt; and</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * &lt;a href="<a href="http://en.wikipedia.org/wiki/Internet_Content_Adaptation_Protocol" target="alexandria_uri">http://en.wikipedia.org/wiki/Internet_Content_Adaptation_Protocol</a>"&gt;ICAP&lt;/a&gt;.</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * To implement the encoder of such a derived protocol, extend this class and</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * implement all abstract methods properly.</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageEncoder.html">HttpMessageEncoder</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/jboss/netty/handler/codec/oneone/OneToOneEncoder.html">OneToOneEncoder</a> {
<a class="jxr_linenumber" name="47" href="#47">47</a>  
<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] CRLF = { CR, LF };
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> LAST_CHUNK =
<a class="jxr_linenumber" name="50" href="#50">50</a>          copiedBuffer(<span class="jxr_string">"0\r\n\r\n"</span>, CharsetUtil.US_ASCII);
<a class="jxr_linenumber" name="51" href="#51">51</a>  
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> transferEncodingChunked;
<a class="jxr_linenumber" name="53" href="#53">53</a>  
<a class="jxr_linenumber" name="54" href="#54">54</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessageEncoder.html">HttpMessageEncoder</a>() {
<a class="jxr_linenumber" name="58" href="#58">58</a>      }
<a class="jxr_linenumber" name="59" href="#59">59</a>  
<a class="jxr_linenumber" name="60" href="#60">60</a>      @Override
<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">protected</strong> Object encode(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel, Object msg) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">if</strong> (msg instanceof HttpMessage) {
<a class="jxr_linenumber" name="63" href="#63">63</a>              <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> m = (HttpMessage) msg;
<a class="jxr_linenumber" name="64" href="#64">64</a>              <strong class="jxr_keyword">boolean</strong> contentMustBeEmpty;
<a class="jxr_linenumber" name="65" href="#65">65</a>              <strong class="jxr_keyword">if</strong> (m.isChunked()) {
<a class="jxr_linenumber" name="66" href="#66">66</a>                  <em class="jxr_comment">// if Content-Length is set then the message can't be HTTP chunked</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>                  <strong class="jxr_keyword">if</strong> (HttpCodecUtil.isContentLengthSet(m)) {
<a class="jxr_linenumber" name="68" href="#68">68</a>                      contentMustBeEmpty = false;
<a class="jxr_linenumber" name="69" href="#69">69</a>                      transferEncodingChunked = false;
<a class="jxr_linenumber" name="70" href="#70">70</a>                      HttpCodecUtil.removeTransferEncodingChunked(m);
<a class="jxr_linenumber" name="71" href="#71">71</a>                  } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="72" href="#72">72</a>                      <em class="jxr_comment">// check if the Transfer-Encoding is set to chunked already.</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>                      <em class="jxr_comment">// if not add the header to the message</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>                      <strong class="jxr_keyword">if</strong> (!HttpCodecUtil.isTransferEncodingChunked(m)) {
<a class="jxr_linenumber" name="75" href="#75">75</a>                          m.headers().add(Names.TRANSFER_ENCODING, Values.CHUNKED);
<a class="jxr_linenumber" name="76" href="#76">76</a>                      }
<a class="jxr_linenumber" name="77" href="#77">77</a>                      contentMustBeEmpty = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="78" href="#78">78</a>                      transferEncodingChunked = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="79" href="#79">79</a>                  }
<a class="jxr_linenumber" name="80" href="#80">80</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="81" href="#81">81</a>                  transferEncodingChunked = contentMustBeEmpty = HttpCodecUtil.isTransferEncodingChunked(m);
<a class="jxr_linenumber" name="82" href="#82">82</a>              }
<a class="jxr_linenumber" name="83" href="#83">83</a>  
<a class="jxr_linenumber" name="84" href="#84">84</a>              <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> header = dynamicBuffer(
<a class="jxr_linenumber" name="85" href="#85">85</a>                      channel.getConfig().getBufferFactory());
<a class="jxr_linenumber" name="86" href="#86">86</a>              encodeInitialLine(header, m);
<a class="jxr_linenumber" name="87" href="#87">87</a>              encodeHeaders(header, m);
<a class="jxr_linenumber" name="88" href="#88">88</a>              header.writeByte(CR);
<a class="jxr_linenumber" name="89" href="#89">89</a>              header.writeByte(LF);
<a class="jxr_linenumber" name="90" href="#90">90</a>  
<a class="jxr_linenumber" name="91" href="#91">91</a>              <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> content = m.getContent();
<a class="jxr_linenumber" name="92" href="#92">92</a>              <strong class="jxr_keyword">if</strong> (!content.readable()) {
<a class="jxr_linenumber" name="93" href="#93">93</a>                  <strong class="jxr_keyword">return</strong> header; <em class="jxr_comment">// no content</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>              } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (contentMustBeEmpty) {
<a class="jxr_linenumber" name="95" href="#95">95</a>                  <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="96" href="#96">96</a>                          <span class="jxr_string">"HttpMessage.content must be empty "</span> +
<a class="jxr_linenumber" name="97" href="#97">97</a>                          <span class="jxr_string">"if Transfer-Encoding is chunked."</span>);
<a class="jxr_linenumber" name="98" href="#98">98</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="99" href="#99">99</a>                  <strong class="jxr_keyword">return</strong> wrappedBuffer(header, content);
<a class="jxr_linenumber" name="100" href="#100">100</a>             }
<a class="jxr_linenumber" name="101" href="#101">101</a>         }
<a class="jxr_linenumber" name="102" href="#102">102</a> 
<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">if</strong> (msg instanceof HttpChunk) {
<a class="jxr_linenumber" name="104" href="#104">104</a>             <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunk.html">HttpChunk</a> chunk = (HttpChunk) msg;
<a class="jxr_linenumber" name="105" href="#105">105</a>             <strong class="jxr_keyword">if</strong> (transferEncodingChunked) {
<a class="jxr_linenumber" name="106" href="#106">106</a>                 <strong class="jxr_keyword">if</strong> (chunk.isLast()) {
<a class="jxr_linenumber" name="107" href="#107">107</a>                     transferEncodingChunked = false;
<a class="jxr_linenumber" name="108" href="#108">108</a>                     <strong class="jxr_keyword">if</strong> (chunk instanceof HttpChunkTrailer) {
<a class="jxr_linenumber" name="109" href="#109">109</a>                         <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> trailer = dynamicBuffer(
<a class="jxr_linenumber" name="110" href="#110">110</a>                                 channel.getConfig().getBufferFactory());
<a class="jxr_linenumber" name="111" href="#111">111</a>                         trailer.writeByte((byte) '0');
<a class="jxr_linenumber" name="112" href="#112">112</a>                         trailer.writeByte(CR);
<a class="jxr_linenumber" name="113" href="#113">113</a>                         trailer.writeByte(LF);
<a class="jxr_linenumber" name="114" href="#114">114</a>                         encodeTrailingHeaders(trailer, (HttpChunkTrailer) chunk);
<a class="jxr_linenumber" name="115" href="#115">115</a>                         trailer.writeByte(CR);
<a class="jxr_linenumber" name="116" href="#116">116</a>                         trailer.writeByte(LF);
<a class="jxr_linenumber" name="117" href="#117">117</a>                         <strong class="jxr_keyword">return</strong> trailer;
<a class="jxr_linenumber" name="118" href="#118">118</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="119" href="#119">119</a>                         <strong class="jxr_keyword">return</strong> LAST_CHUNK.duplicate();
<a class="jxr_linenumber" name="120" href="#120">120</a>                     }
<a class="jxr_linenumber" name="121" href="#121">121</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="122" href="#122">122</a>                     <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> content = chunk.getContent();
<a class="jxr_linenumber" name="123" href="#123">123</a>                     <strong class="jxr_keyword">int</strong> contentLength = content.readableBytes();
<a class="jxr_linenumber" name="124" href="#124">124</a> 
<a class="jxr_linenumber" name="125" href="#125">125</a>                     <strong class="jxr_keyword">return</strong> wrappedBuffer(
<a class="jxr_linenumber" name="126" href="#126">126</a>                             copiedBuffer(
<a class="jxr_linenumber" name="127" href="#127">127</a>                                     Integer.toHexString(contentLength),
<a class="jxr_linenumber" name="128" href="#128">128</a>                                     CharsetUtil.US_ASCII),
<a class="jxr_linenumber" name="129" href="#129">129</a>                             wrappedBuffer(CRLF),
<a class="jxr_linenumber" name="130" href="#130">130</a>                             content.slice(content.readerIndex(), contentLength),
<a class="jxr_linenumber" name="131" href="#131">131</a>                             wrappedBuffer(CRLF));
<a class="jxr_linenumber" name="132" href="#132">132</a>                 }
<a class="jxr_linenumber" name="133" href="#133">133</a>             } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="134" href="#134">134</a>                 <strong class="jxr_keyword">return</strong> chunk.getContent();
<a class="jxr_linenumber" name="135" href="#135">135</a>             }
<a class="jxr_linenumber" name="136" href="#136">136</a>         }
<a class="jxr_linenumber" name="137" href="#137">137</a> 
<a class="jxr_linenumber" name="138" href="#138">138</a>         <em class="jxr_comment">// Unknown message type.</em>
<a class="jxr_linenumber" name="139" href="#139">139</a>         <strong class="jxr_keyword">return</strong> msg;
<a class="jxr_linenumber" name="140" href="#140">140</a>     }
<a class="jxr_linenumber" name="141" href="#141">141</a> 
<a class="jxr_linenumber" name="142" href="#142">142</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> encodeHeaders(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf, <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> message) {
<a class="jxr_linenumber" name="143" href="#143">143</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="144" href="#144">144</a>             <strong class="jxr_keyword">for</strong> (Map.Entry&lt;String, String&gt; h: message.headers()) {
<a class="jxr_linenumber" name="145" href="#145">145</a>                 encodeHeader(buf, h.getKey(), h.getValue());
<a class="jxr_linenumber" name="146" href="#146">146</a>             }
<a class="jxr_linenumber" name="147" href="#147">147</a>         } <strong class="jxr_keyword">catch</strong> (UnsupportedEncodingException e) {
<a class="jxr_linenumber" name="148" href="#148">148</a>             <strong class="jxr_keyword">throw</strong> (Error) <strong class="jxr_keyword">new</strong> Error().initCause(e);
<a class="jxr_linenumber" name="149" href="#149">149</a>         }
<a class="jxr_linenumber" name="150" href="#150">150</a>     }
<a class="jxr_linenumber" name="151" href="#151">151</a> 
<a class="jxr_linenumber" name="152" href="#152">152</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> encodeTrailingHeaders(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf, <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkTrailer.html">HttpChunkTrailer</a> trailer) {
<a class="jxr_linenumber" name="153" href="#153">153</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="154" href="#154">154</a>             <strong class="jxr_keyword">for</strong> (Map.Entry&lt;String, String&gt; h: trailer.trailingHeaders()) {
<a class="jxr_linenumber" name="155" href="#155">155</a>                 encodeHeader(buf, h.getKey(), h.getValue());
<a class="jxr_linenumber" name="156" href="#156">156</a>             }
<a class="jxr_linenumber" name="157" href="#157">157</a>         } <strong class="jxr_keyword">catch</strong> (UnsupportedEncodingException e) {
<a class="jxr_linenumber" name="158" href="#158">158</a>             <strong class="jxr_keyword">throw</strong> (Error) <strong class="jxr_keyword">new</strong> Error().initCause(e);
<a class="jxr_linenumber" name="159" href="#159">159</a>         }
<a class="jxr_linenumber" name="160" href="#160">160</a>     }
<a class="jxr_linenumber" name="161" href="#161">161</a> 
<a class="jxr_linenumber" name="162" href="#162">162</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> encodeHeader(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf, String header, String value)
<a class="jxr_linenumber" name="163" href="#163">163</a>             <strong class="jxr_keyword">throws</strong> UnsupportedEncodingException {
<a class="jxr_linenumber" name="164" href="#164">164</a>         encodeAscii(header, buf);
<a class="jxr_linenumber" name="165" href="#165">165</a>         buf.writeByte(COLON);
<a class="jxr_linenumber" name="166" href="#166">166</a>         buf.writeByte(SP);
<a class="jxr_linenumber" name="167" href="#167">167</a>         encodeAscii(value, buf);
<a class="jxr_linenumber" name="168" href="#168">168</a>         buf.writeByte(CR);
<a class="jxr_linenumber" name="169" href="#169">169</a>         buf.writeByte(LF);
<a class="jxr_linenumber" name="170" href="#170">170</a>     }
<a class="jxr_linenumber" name="171" href="#171">171</a> 
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> encodeAscii(String s, <a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf) {
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; s.length(); i++) {
<a class="jxr_linenumber" name="174" href="#174">174</a>             buf.writeByte(c2b(s.charAt(i)));
<a class="jxr_linenumber" name="175" href="#175">175</a>         }
<a class="jxr_linenumber" name="176" href="#176">176</a>     }
<a class="jxr_linenumber" name="177" href="#177">177</a> 
<a class="jxr_linenumber" name="178" href="#178">178</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> byte c2b(<strong class="jxr_keyword">char</strong> c) {
<a class="jxr_linenumber" name="179" href="#179">179</a>         <strong class="jxr_keyword">if</strong> (c &gt; 255) {
<a class="jxr_linenumber" name="180" href="#180">180</a>             <strong class="jxr_keyword">return</strong> '?';
<a class="jxr_linenumber" name="181" href="#181">181</a>         }
<a class="jxr_linenumber" name="182" href="#182">182</a>         <strong class="jxr_keyword">return</strong> (byte) c;
<a class="jxr_linenumber" name="183" href="#183">183</a>     }
<a class="jxr_linenumber" name="184" href="#184">184</a> 
<a class="jxr_linenumber" name="185" href="#185">185</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> encodeInitialLine(<a href="../../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> buf, <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpMessage.html">HttpMessage</a> message) <strong class="jxr_keyword">throws</strong> Exception;
<a class="jxr_linenumber" name="186" href="#186">186</a> }
</pre>
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